Location : Castres (France, Tarn)
Acquisition Date : 2009-10-15 beginning at 23:41:00 UT
Author : Michel Fleureau
Scope : Newton Orion 200/1000 (f/5)
Autoguiding : Orion StarShoot autoguider (PHD Guiding) & Orion ShortTube 80/400 mm
Camera : Canon EOS 450D (Digital Rebel XSi) non défiltré (unmodded)
Exposure : 90.0 minutes [18 subexposures of 300 sec each (selected from 21)] @ ISO 400
Calibration : Dark & bias : 9/9 @ ISO 400 - Flat & Dark-Flat : 9 @ ISO 400
Weather : Temp 0°- Hum 65% - Pas de vent - Turbulence faible - Transparence moyenne
Software Used : ImagePlus, PhotoShop CS